/*********************************************************************
*                SEGGER Microcontroller GmbH & Co. KG                *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2010  SEGGER Microcontroller GmbH & Co. KG       *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

** emWin V5.06 - Graphical user interface for embedded applications **
emWin is protected by international copyright laws.   Knowledge of the
source code may not be used to write a similar product.  This file may
only be used in accordance with a license and should not be re-
distributed in any way. We appreciate your understanding and fairness.
----------------------------------------------------------------------
File        : WM_Broadcast.C
Purpose     : Windows manager, add. module
----------------------------------------------------------------------
*/

#include "WM_Intern.h"

#if GUI_WINSUPPORT    /* If 0, WM will not generate any code */

/*********************************************************************
*
*                   Broadcast message
*
**********************************************************************
*/
/*********************************************************************
*
*       WM_BroadcastMessage
*
* Note
*   (1) Rather than sending the same message to all windows, we send
*       a copy of the message.
*       This is so because the callback may modify the message, so
*       that without copy only the first window would receive the
*       real, unmodified message.
*/
int WM_BroadcastMessage( WM_MESSAGE* pMsg) {
  WM_HWIN hWin;
  WM_LOCK();
  for (hWin = WM__FirstWin; hWin; ) {
    WM_MESSAGE Msg;
    Msg = *pMsg;                  /* Note (1) */
    WM__SendMessage(hWin, &Msg);
    hWin = WM_H2P(hWin)->hNextLin;
  }
  WM_UNLOCK();
  return 0;
}

#else
  void WM_Broadcast(void) {} /* avoid empty object files */
#endif   /* GUI_WINSUPPORT */

/*************************** End of file ****************************/
